Lanthanum(III) oxide, 99.999%
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About Lanthanum(III) oxide, 99.999%
Zemixal supplies Lanthanum(III) oxide, 99.999% within its inorganic Chemicals, Metals & Advanced Materials portfolio. For your records (Puriss), the material is defined by CAS 1312-81-8, formula La2O3 and molar mass 325.81 g/mol. It is described as white powder.
Use cases we see most often
- Phosphors & glass
- Catalysts
- Magnets & ceramics
- Catalysis
Safe handling
Reported physical data: melting point 2307 °C and density 6.51 g/mL at 25 °C. It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.
Standard pack sizes are 50 g, 250 g, 500 g and 1 kg, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Phosphors & glass
- Catalysts
- Magnets & ceramics
- Catalysis
Applications
Specifications and identifiers
| Product name | Lanthanum(III) oxide, 99.999% |
|---|---|
| Catalogue number | ZX-014559 |
| CAS number | 1312-81-8 |
| IUPAC name | bis(lanthanum(3+));tris(oxygen(2-)) |
| Molecular formula | La2O3 |
| Molar mass | 325.81 g/mol |
| Exact mass | 325.7975 |
| Grade | Puriss |
| Purity / assay | 99.999% |
| Physical form | Powder |
| Appearance | White powder |
| Melting point | 2307 °C |
| Density | 6.51 g/mL at 25 °C |
| H-bond donors / acceptors | 0 / 3 |
| Topological polar surface area | 3 Ų |
| HS code | 28469090 |
| InChIKey | MRELNEQAGSRDBK-UHFFFAOYSA-N |
| SMILES | [O-2].[O-2].[O-2].[La+3].[La+3] |
| PubChem CID | 150906 |
| Synonyms | Lanthana, Lanthanum oxide, Lanthanum sesquioxide, Lanthanum oxide (La2O3), Dilanthanum trioxide, Dilanthanum oxide, Lanthanum(3+) oxide, Lanthanum trioxide, Lanthania (La2O3), La(2)O(3), Lanthanum(III)Oxide, La2O3 |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 50 g | Quoted on request | |
| 250 g | Quoted on request | |
| 500 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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